Trouble Shooting - Sanyo FISHER DVD-1500 Service Manual

TROUBLE SHOOTING (CHECK WAVEFORM)
-Respond to numbering of each list of "CHECK FLOW AND TROUBLE SHOOTING"
(12)
TCD-721 SCRATCH 2.0mm (Reference)
MLD2
RFO
TE
FE
C2PO
VRA
(14)
444A FINGER PRINT 19track
MLD2 RFO
TE
FE
C2PO
VRA
(16)
OPEN/CLOSE input/output TIMING
MLD2
MLD1
MLD2
OPEN-SW
CLOSE-SW
(13)
Shows how the C2PO rises. The C2PO
rises invariably with large scratches, while
no or few C2PO appear with small or few
scratches.
(15)
444A INTERRUPTION 10track
(17)
POWER on reset TIMING
MLD2
5V-D
HRST
TP800
HRST
CN802
PIN4
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